Work around for packages in lts that do not install.

[hamishmack]

For ghc 9.0.2 Haskell.nix will use the stmand filepath source that came with ghc when the version desired matches. This is because 9.0.2 shipped with packages that differ from the same version in hackage.

reinstallableLibGhc is fixed for GHC 8.10 and above. Rather than including a patch file this works by:

• Setting the subDir to the compiler directory when building. That way relative paths to other parts of the ghc source tree (outside the compiler directory) still work.
• Files that are needed, but generated when ghc builds are added from the generated output of the ghc derivation.

nonReinstallablePkgs is now sorted and deduplicated before it is used (this reduces the chance of rebuilds when the list is refactored).

[hamishmack]

bors try

[iohk-bors]

try

Build succeeded:

• buildkite/haskell-dot-nix
• ci/hydra:Cardano:haskell-nix:required

[hamishmack]

bors try

[iohk-bors]

try

Build failed:

• ci/hydra:Cardano:haskell-nix:required

[hamishmack]

bors try

[iohk-bors]

try

Build failed:

• ci/hydra:Cardano:haskell-nix:required

[hamishmack]

bors try

[iohk-bors]

try

Build succeeded:

• ci/hydra:Cardano:haskell-nix:required
• buildkite/haskell-dot-nix

[hamishmack]

bors try

[iohk-bors]

try

Timed out.

[hamishmack]

bors try

[iohk-bors]

try

Build failed:

• ci/hydra:Cardano:haskell-nix:required

[hamishmack]

bors try

[iohk-bors]

try

Build failed:

• ci/hydra:Cardano:haskell-nix:required

[hamishmack]

bors try

[iohk-bors]

try

Build failed:

• ci/hydra:Cardano:haskell-nix:required

[hamishmack]

bors try

[hamishmack]

bors try-

[hamishmack]

bors try

[iohk-bors]

try

Build succeeded:

• ci/hydra:Cardano:haskell-nix:required
• buildkite/haskell-dot-nix